HW_8_S10[1]

# HW_8_S10[1] - 20AEM 210 Spring 2010 Homework 8 1 Name...

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20AEM 210 Name: _________________ Spring 2010 Section:_________________ Homework 8 1.) Companies often make flextime scheduling available to help recruit and keep women employees who have children at home. Other workers sometimes view these flextime schedules as unfair. An article in USA Today indicates that 25% of male employees state that they have to pick up the slack for moms working flextime schedules (d. Jones, “Poll Finds Resentment of Flextime,” usatoday.com , May 11, 2007). Suppose you select a random sample of 100 male employees working for companies offering flextime. a.) What is the probability that 25% or fewer male employees will indicate that they have to pick up the slack for moms working flextime? b.) What is the probability that 20% or fewer will indicate that they have to pick up the slack for moms working flextime? c.) If a random sample of 500 is taken, how does this change your answers to (a) and (b). 2.) According to Gallup’s annual poll on personal finances, even though most U.S. workers reported living comfortably now, many expected a downturn in their lifestyle when they stop working. Approximately half said they have enough money to live comfortably now and expected to do so in the future (J.M. Jones, “Only Half of Non-Retirees Expect to be Comfortable in Retirement, “ The Gallup Poll, galluppoll.com , May 2, 2006). If you select a random sample of 200 U.S. workers, a.) what is the probability that the sample will have between 45% and 55% who say they have enough money to live comfortably now and expect to do so in the future? b.)

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HW_8_S10[1] - 20AEM 210 Spring 2010 Homework 8 1 Name...

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